Cheap flights from Seattle, WA to San José, Costa Rica

Flights starting at $175. Choose between Alaska Airlines, Spirit Airlines, or Avianca to find the best price.

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Tips to know when travelling to San José

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Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to San José. The most popular airlines for this route are Alaska Airlines, Spirit Airlines, Avianca, United Airlines, and Frontier Airlines. Seattle and San José have 351 direct flights per week. When you arrive at San José, consider visiting Bosque Nuboso Monteverde, and Parque Nacional Manuel Antonio.

Check-in for a flight from Seattle to San José

NameCarrier codeIATA CodePassport needed during booking
Alaska AirlinesASAASNo
Spirit AirlinesNKSNKNo
AviancaAVAAVNo
United AirlinesUALUAYes
Frontier AirlinesFFTF9No

Weather in San José

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January24°C14°C
February26°C14°C
March27°C15°C
April26°C16°C
May25°C17°C
June24°C16°C
July24°C16°C
August24°C15°C
September24°C16°C
October23°C16°C
November23°C15°C
December23°C15°C
Hottest Month
27°C
March
Coldest month
14°C
January
Sunny days
169
days per year

14 day forecast

Wednesday
20 Nov
98%
26°C14°C
27 Nov
86%
24°C15°C
Thursday
21 Nov
90%
25°C14°C
28 Nov
73%
23°C15°C
Friday
22 Nov
84%
22°C14°C
29 Nov
88%
23°C15°C
Saturday
23 Nov
88%
19°C14°C
30 Nov
82%
21°C15°C
Sunday
24 Nov
87%
23°C13°C
1 Dec
87%
24°C15°C
Monday
25 Nov
83%
21°C14°C
2 Dec
86%
21°C15°C
Tuesday
26 Nov
89%
22°C14°C
3 Dec
80%
22°C14°C

Frequently asked questions

What are the most popular routes to and from Seattle?
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What airports are near Seattle?
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Which airlines fly between Seattle and San José?
When's the best time to travel between Seattle and San José?
What flights operate between Seattle and San José?
How many airports are there near Seattle?
How many airports are there near San José?
What time do nonstop (direct) flights between Seattle and San José depart?
What time do nonstop (direct) flights between Seattle and San José arrive?
What time do flights between Seattle and San José depart?
What time do flights between Seattle and San José arrive?

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